diff --git a/Cargo.lock b/Cargo.lock
index 6fdad7e1b..222c2624e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2701,7 +2701,7 @@ dependencies = [
  "static-files",
  "subst",
  "testcontainers-modules",
- "thiserror 2.0.3",
+ "thiserror 2.0.6",
  "tilejson",
  "tokio",
  "tokio-postgres-rustls",
@@ -2746,7 +2746,7 @@ dependencies = [
  "sqlite-compressions",
  "sqlite-hashes",
  "sqlx",
- "thiserror 2.0.3",
+ "thiserror 2.0.6",
  "tilejson",
  "tokio",
  "xxhash-rust",
@@ -3617,7 +3617,7 @@ dependencies = [
  "rustc-hash 2.0.0",
  "rustls",
  "socket2",
- "thiserror 2.0.3",
+ "thiserror 2.0.6",
  "tokio",
  "tracing",
 ]
@@ -3636,7 +3636,7 @@ dependencies = [
  "rustls",
  "rustls-pki-types",
  "slab",
- "thiserror 2.0.3",
+ "thiserror 2.0.6",
  "tinyvec",
  "tracing",
  "web-time",
@@ -4939,11 +4939,11 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "2.0.3"
+version = "2.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c006c85c7651b3cf2ada4584faa36773bd07bac24acfb39f3c431b36d7e667aa"
+checksum = "8fec2a1820ebd077e2b90c4df007bebf344cd394098a13c563957d0afc83ea47"
 dependencies = [
- "thiserror-impl 2.0.3",
+ "thiserror-impl 2.0.6",
 ]
 
 [[package]]
@@ -4959,26 +4959,15 @@ dependencies = [
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.3"
+version = "2.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f077553d607adc1caf65430528a576c757a71ed73944b66ebb58ef2bbd243568"
+checksum = "d65750cab40f4ff1929fb1ba509e9914eb756131cef4210da8d5d700d26f6312"
 dependencies = [
  "proc-macro2",
  "quote",
  "syn 2.0.89",
 ]
 
-[[package]]
-name = "thiserror-impl"
-version = "2.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f077553d607adc1caf65430528a576c757a71ed73944b66ebb58ef2bbd243568"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.87",
-]
-
 [[package]]
 name = "tilejson"
 version = "0.4.1"
diff --git a/martin/src/pg/utils.rs b/martin/src/pg/utils.rs
index 8f8a12fb1..fa73eb3df 100755
--- a/martin/src/pg/utils.rs
+++ b/martin/src/pg/utils.rs
@@ -13,6 +13,7 @@ use tokio::time::timeout;
 use crate::source::UrlQuery;
 
 #[cfg(test)]
+#[expect(clippy::ref_option)]
 pub fn sorted_opt_set<S: serde::Serializer>(
     value: &Option<std::collections::HashSet<String>>,
     serializer: S,